58 DOOR LOCK WIRELESS DOOR LOCK CTROL SYSTEM Only Wireless Control Function is Inoperative DESCRIPTI The door control receiver receives signals from the transmitter and sends these signals to the main body ECU. WIRI DIGRM Door Control Receiver Main ody ECU + DOME From attery Unlock Warning Switch GND KSW 123828E01 INSPECTI PROCEDURE 1 CHECK WIRELESS DOOR LOCK CTROL FUNCTIS : Each function of wireless door lock control system operates normally using transmitter switches (see page -54). END
DOOR LOCK WIRELESS DOOR LOCK CTROL SYSTEM 59 2 REPLCE TRNSMITTER TTERY fter replacing the transmitter battery, check that the doors can be locked and unlocked using the transmitter switches. : Doors can be locked and unlocked with transmitter. END (TRNSMITTER TTERY DEFECTIVE) 3 SWITCH TO SELF DIGNOSTIC MODE uzzer Output: T1: 0.13 seconds T2: 0.5 seconds (b) Switch to self-diagnostic mode by operating the ignition key cylinder. (1) Make sure the vehicle is in its initial condition. Then insert the key into the ignition key cylinder and remove it. (2) Within 5 seconds of removing the key, insert the key into the ignition key cylinder (ignition switch ). Then turn the ignition switch and. (3) Within 30 seconds of turning the ignition switch, perform the following operation 9 times: turn the ignition switch and. NOTICE: If the system cannot enter self-diagnostic mode, the system returns to normal mode. HINT: Turning the ignition switch after the above operations have been completed ends selfdiagnostic mode. Do not lock or unlock doors during self-diagnostic mode. Check that the system has switched to self-diagnostic mode by checking the wireless door lock buzzer sound. : uzzer pattern is same as illustration on left. Go to step 8 T1 T2 110075E18
60 DOOR LOCK WIRELESS DOOR LOCK CTROL SYSTEM 4 CHECK Y SELF DIGNOSTIC MODE Check the diagnostic outputs when the door control transmitter switch is held down. The diagnostic outputs can be checked by the wireless door lock buzzer sound. uzzer Output: Normal Wave (LOCK Switch): T1 T3 Mismatched Recognition Code: Wave being received Normal Wave (UNLOCK Switch): T1 T2 T1 T3 No Diagnosis Output: Normal Wave (PNIC Switch): T3 T3 T1: 0.13 seconds T2: 0.25 seconds T3: 0.50 seconds 133371E01 Unmatching recognition code is output Normal waves (buzzer patterns) for LOCK and UNLOCK switches are output No diagnosis outputs Proceed to C
DOOR LOCK WIRELESS DOOR LOCK CTROL SYSTEM 61 C REPLCE MIN ODY ECU Go to step 6 5 REGISTER RECOGNITI CODE Check that the system can be switched to rewrite mode or add mode, and that a recognition code can be registered. : Recognition code can be registered. Go to step 12 END 6 CHECK RESPSE OF DOOR CTROL RECEIVER When a new or normally functioning door lock control transmitter switch for the same vehicle type is held down, check that an unmatching recognition code is output. : Unmatching recognition code is output. REPLCE DOOR CTROL TRNSMITTER MODULE 7 REPLCE DOOR CTROL RECEIVER fter replacing the door control receiver, check that the doors can be locked and unlocked by using the transmitter LOCK and UNLOCK switches. : Doors can be locked and unlocked with transmitter. REPLCE MIN ODY ECU END
62 DOOR LOCK WIRELESS DOOR LOCK CTROL SYSTEM 8 CFIRM PROCEDURES TO ENTER SELF DIGNOSTIC MODE Self-diagnostic mode entry successful Self-diagnostic mode entry unsuccessful Proceed to Go to step 3 9 INSPECT UNLOCK WRNI SWITCH SSEMLY Not Pushed Pin (b) Remove the unlock warning switch. Measure the resistance. Standard resistance Tester Connection Condition Specified Condition Pushed 1-2 Not pushed Pushed 10 kω or higher elow 1 Ω 062710E01 REPLCE UNLOCK WRNI SWITCH SSEMLY 10 CHECK HRNESS ND CNECTOR (DOOR CTROL RECEIVER - MIN ODY ECU) Wire Harness Side: Door Control Receiver Connector (b) (c) Disconnect the E7 main body ECU connector. Disconnect the E23 door control receiver connector. Measure the resistance. Standard resistance E23 Front View Main ody ECU Connector Tester Connection Specified Condition E7-4 () - E23-2 () elow 1 Ω E7-4 () or E23-2 () - ody ground 10 kω or higher E7-3 () - E23-3 () elow 1 Ω E7-3 () or E23-3 () - ody ground 10 kω or higher (d) (e) Reconnect the main body ECU connector. Reconnect the door control receiver connector. E7 REPIR OR REPLCE HRNESS OR CNECTOR Front View 062225E01
DOOR LOCK WIRELESS DOOR LOCK CTROL SYSTEM 63 11 CHECK DOOR CTROL RECEIVER (OUTPUT) Component Side: Measure the voltage of the connector. Standard voltage Tester Connection Condition Specified Condition E23-2 () - ody ground Transmitter switch (No key in ignition key cylinder, all doors closed) elow 1V Pulse generation elow 1V Door Control Receiver 051174E02 REPLCE MIN ODY ECU 12 REPLCE DOOR CTROL TRNSMITTER MODULE Check that the doors can be locked and unlocked by using the transmitter LOCK and UNLOCK switches. : Doors can be locked and unlocked with transmitter. REPLCE DOOR CTROL RECEIVER END (DOOR CTROL TRNSMITTER MODULE DEFECTIVE)